html, body {
    width: 100%;
    height: 100%;
    margin: 0px;
    padding: 0px;
    overflow: hidden;
}
*::-webkit-scrollbar {
    /*滚动条整体样式*/
    width: 3px;
    /*高宽分别对应横竖滚动条的尺寸*/
    height: 1px;
}

*::-webkit-scrollbar-thumb { /*滚动条里面小方块*/
    border-radius: 3px;
    -webkit-box-shadow: inset 0 0 5px rgba(175, 173, 173, 0.2);
    background: #b9b9b9;
}

*::-webkit-scrollbar-track { /*滚动条里面轨道*/
    -webkit-box-shadow: inset 0 0 5px rgba(204, 204, 204, 0.2);
    border-radius: 3px;
    background: #EDEDED;
}
#vapp{
    width:  calc(100% - 20px);
    height: calc(100% - 20px);
    box-sizing: border-box;
    overflow: auto;
    padding: 10px;
    margin: 10px;
}
#vapp div {
    height: 30px;
    position: relative;
    width: 100%;
    box-sizing: border-box;
    padding: 0px 0px 0px 130px;
    cursor: pointer;
    transition: all 0.5s;
    font-size: 15px;
}
#vapp div:hover{
    transform: scale(1.02);
}
#vapp div::before {
    display: block;
    position: absolute;
    left: 90px;
    top: 3px;
    width: 30px;
    font-size: 18px;
    text-align: center;
}

#vapp div::after {
    content: attr(title) ' : ';
    display: block;
    position: absolute;
    left: 0px;
    top: 0px;
    width: 80px;
    text-align: right;
}